This book contains the most interesting and important questions from tens of thousands that the author received from all over the world. Drawing from the bottomless sources of Jewish wisdom, Rabbi R. Kuklin examines many difficult topics. Those that have occupied humanity from time immemorial, and those that have arisen only now, in the age of rapid technological progress. from the answers it becomes clear how relevant ancient Jewish wisdom is for solving the newest and most pressing problems of the 21st century. The book examines issues of psychology, family relationships, mysticism and Kabbalah, the Jewish worldview and many others.